Deauthorize this computer

macrumors 6502a

Ok I am getting my Imac ready to sell, I have reloaded ML back on it, I had deauthorized this computer before I reloaded ML, is there anything else I must do? I trided to find the steps for selling a IMac but could not locate the posting, thanks

macrumors P6

Ok I am getting my Imac ready to sell, I have reloaded ML back on it, I had deauthorized this computer before I reloaded ML, is there anything else I must do? I trided to find the steps for selling a IMac but could not locate the posting, thanks

Click to expand...

Just command-r boot to recovery and use Disk Util to erase Macintosh HD. Then reinstall the OS.

If you are really worried about sensitive data being recovered, you can turn on Filevault2 encryption before you do this so that when you erase the disk you are erasing an encrypted core storage volume that cannot be recovered.

thread startermacrumors 6502a

macrumors 6502

Hope you don't mind me adding to the post, but I read how to clean the machine up, but how do you reinstall Mountain Lion? I downloaded ML from the app store at the time, but if I try to download it on the cleaned computer won't they ask for my apple ID and wouldn't it still be under my name etc? And could I really download it all over again without a hassle?
Thanks for a reply. 

macrumors Westmere

Hope you don't mind me adding to the post, but I read how to clean the machine up, but how do you reinstall Mountain Lion? I downloaded ML from the app store at the time, but if I try to download it on the cleaned computer won't they ask for my apple ID and wouldn't it still be under my name etc? And could I really download it all over again without a hassle?
Thanks for a reply. 

Click to expand...

Yes, if you bought ML you should be able to download and install it again without additional cost.

macrumors P6

Hope you don't mind me adding to the post, but I read how to clean the machine up, but how do you reinstall Mountain Lion? I downloaded ML from the app store at the time, but if I try to download it on the cleaned computer won't they ask for my apple ID and wouldn't it still be under my name etc? And could I really download it all over again without a hassle?
Thanks for a reply. 

Click to expand...

I assume we are talking about for a machine you want to sell/give away?

ML is licensed to you, so you can't give it away on the machine, and as you alluded to, if the new user wants to reinstall ML they will be asked for YOUR AppleID to do this. Which of course they won't have.

What you want to do is get back to the OS the machine came with. If that is Snow Leopard or earlier you will want to boot from the original grey DVD installer and erase/install from there. If your machine came with Lion, you can by the ML recovery and go to Lion Internet Recovery by doing a command-option-r boot. That will DL the Lion recovery and allow you to erase and reinstall Lion. This Lion install will not ask for your AppleID since it is tied to your machine's serial number.

macrumors 6502

thread startermacrumors 6502a

Yes, if you bought ML you should be able to download and install it again without additional cost.

Click to expand...

ok I deauthorized the iMac, erased HD, I had to login to my account to download ML, (I did not set it up), then I went to my other mac and changed my Apple password. So when he logs in he will have to use his account ID correct, and I will be safe???

MacRumors attracts a broad audience
of both consumers and professionals interested in
the latest technologies and products. We also boast an active community focused on
purchasing decisions and technical aspects of the iPhone, iPod, iPad, and Mac platforms.